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List the uses of neon and argon gases....

List the uses of neon and argon gases.

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(i)Neon is used in discharge tubes and fluorescent bulbs for advertisement display purposes.Neon bulbs are used in botanical gardens and in green houses.
(ii)Argon is used mainly to provide an inert atmosphere in high temperature metallurgical process (arc welding of metals or alloys) and for filling electric bulbs. It is also used in the laboratory for handing substances that are air-sensitive.
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A closed container of volume 0.02m^3 contains a mixture of neon and argon gases, at a temperature of 27^@C and pressure of 1xx10^5Nm^-2 . The total mass of the mixture is 28g. If the molar masses of neon and argon are 20 and 40gmol^-1 respectively, find the masses of the individual gasses in the container assuming them to be ideal (Universal gas constant R=8.314J//mol-K ).

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RESONANCE ENGLISH-P BLOCK ELEMENTS-B.L.E
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  2. Why has it been difficult to study the chemistry of radon?

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  3. How are XeO(3) and XeOF(4) prepared?

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  4. List the uses of neon and argon gases.

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  5. Explain why fluorine forms only one oxoacid, HOF.

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  6. Explain why inspite of nearly the same electronegativity, nitrogen for...

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  8. Why are halogens coloured?

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  9. How can you prepare Cl(2) from HCl and HCl from Cl(2)? Write reactions...

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  10. How are xenon fluorides XeF(2), XeF(4) and XeF(6) obtained?

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  12. Why do noble gases have comparatively large atomic sizes?

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  13. Considering the parameters such as bond dissociation enthalpy, electro...

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  14. Write the reactions of F(2) and Cl(2) with water.

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